\babel@toc {spanish}{}\relax \contentsline {section}{\numberline {1}Introducción}{3}{section.1}% \contentsline {section}{\numberline {2}Instalación de Thunderbird}{3}{section.2}% \contentsline {section}{\numberline {3}Configuración de Thunderbird}{3}{section.3}% \contentsline {section}{\numberline {4}Conclusión}{4}{section.4}% \contentsline {section}{\numberline {5}Derechos de Autor y Licencia}{5}{section.5}%